PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code
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3.2.2.70.Group E, up to 2 Storeys
(1) A building classified as Group E is permitted to conform to Sentence (2) provided
(a) it is not more than 2 storeys in building height, and
(b) it has a building area not more than the value in Table 3.2.2.70.
Table 3.2.2.70.
Maximum Building Area, Group E, up to 2 Storeys
Forming Part of Sentence 3.2.2.70.(1)
Maximum Area, m2
No. of Storeys
Facing 1 Street Facing 2 Streets Facing 3 Streets
1 1 000 1 250 1 500
2 600 750 900
(2) The building referred to in Sentence (1) is permitted to be of combustible construction or noncombustible
construction used singly or in combination, and
(a) floor assemblies shall be fire separations with a fire-resistance rating not less than 45 min, and
(b) loadbearing walls, columns and arches shall have a fire-resistance rating not less than that required for the
supported assembly.
This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.